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High-voltage non-aqueous hybrid flow battery with novel chemistry

US scientists claim to have created a crossover-free, high-voltage, non-aqueous hybrid flow battery with a novel chemistry for the solid sodium anode. The device has shown a high working voltage of around 2.6 V and a coulombic efficiency of 95.0%.

Foldable solar panel for disaster prevention

The portable module has a foldable design with a four-panel structure and a power output of 100 W. It also incorporates a Suncast module that indicates the best height and tilt angle it must have to ensure optimal yield.

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Ukraine drafts rules for renewable energy auctions

The Ukrainian authorities have drafted new regulations to provide technology-neutral, feed-in-premium payments to renewable energy plant operators, in addition to the wholesale electricity price under contracts for difference. 

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Flexible solar panel for vehicle-integrated applications

Called SolFlex, the frameless panel is based on 22%-efficient solar cells and is designed for high, one-sided heat load. The standard product measures 100x100x2.9cm, weighs in at 3.4kg, and has a power output of 170 W.

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Lithium-ion vs lead-acid batteries

An international research team has conducted a techno-economical comparison between lithium-ion and lead-acid batteries for stationary energy storage and has found the former has a lower LCOE and net present cost. Through their analysis, which was performed assuming the use of the batteries in connection with a 10 kW, grid-tied PV system, the scientists concluded that lithium-ion batteries are the most viable solution.

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India’s Reliance Industries may acquire REC Solar

Mumbai-based Reliance Industries and REC Solar have declined to comment on rumors that the Indian company might acquire the Norwegian PV module maker, in a potential transaction that Indian media outlets have already valued at $1 billion to $1.2 billion.

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Work begins on 100 MW/500 MWh vanadium flow battery in China

The storage project is linked to a 1 GW wind and solar project portfolio, 500 MW of solar distributed generation, and the construction of a gigafactory for vanadium redox flow batteries in China.

Romanian energy company wants to build 111 MW solar park

The €103.5 million project is expected to be built by OMV Petrom with 175,214 solar panels with a power output of 485 W each, and 424 string inverters with a capacity of 185 kVA.

Storing wind, solar power with silica sands

NREL researchers developed a system that uses heated silica particles for thermal energy storage. The baseline technology is designed for a storage capacity of up to 26,000 MWh and is claimed to have a cost of of between $2 and $4 per kWh.

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Vanadium-manganese redox dual-flow battery to store power, generate hydrogen

Conceived by Swiss researchers, the battery shows good stability over 50 cycles, with an average energy efficiency of 68% and a water-splitting voltage efficiency of 64.1%. According to its creators, the device produces pure hydrogen that only needs to be dried and compressed for optimal storage.

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